Home / 5,403.71-7,461.77-3,417.80

Finding the Fourth Proportional to 5,403.71, 7,461.77 and 3,417.80

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Solution

The fourth proportional to 5,403.71, 7,461.77 and 3,417.80 is: 4,719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.71 : 7,461.77 = 3,417.80 : x
  2. Step 2: Convert to fraction form
    5,403.71/7,461.77 = 3,417.80/x
  3. Step 3: Cross multiply
    5,403.71x = 7,461.77 × 3,417.80
  4. Step 4: Simplify right side
    5,403.71x = 25,502,802.33
  5. Step 5: Solve for x
    x = 25,502,802.33/5,403.71
  6. Step 6: Final answer
    x = 4,719.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.